Selective placement of coal stripmine overburden in Montana
By: D. J. Dollhopf, W. D. Hall, W. M. Schafer, E. J. DePuit and R. L. Hodder.
Contributors: Hall, W. Douglas.; Schafer, W. M; DePuit, Edward J.; Hodder, Richard L.
Publisher: s.n
Published: 1977
Place of publication: S.l
Notes: 13